-
公开(公告)号：US10005876B2
公开(公告)日：2018-06-26
申请号：US15544494
申请日：2015-01-30
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Tienteh Chen , Bin Huang
IPC: C08G18/75 , C08G18/65 , C08G18/62 , C09D11/38 , C08G18/38 , C08G18/34 , C08G18/10 , C09D11/30 , C09D175/04
CPC classification number: C08G18/755 , B01F17/005 , C08G18/0823 , C08G18/10 , C08G18/348 , C08G18/3857 , C08G18/6225 , C08G18/6245 , C08G18/6541 , C09D11/102 , C09D11/322 , C09D11/38 , C09D11/40 , C09D11/54 , C08G18/282
Abstract: A binder dispersion includes water and polyurethane. The polyurethane is formed from polyisocyanate; polyol having two hydroxyl (OH) groups at one chain end, no OH groups at an opposed chain end, and a number average molecular weight (Mn) ranging from ˜500-˜5,000; an alcohol, diol or amine having a Mn
-
公开(公告)号：US11906925B2
公开(公告)日：2024-02-20
申请号：US17913381
申请日：2020-04-08
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Bin Huang , Minedys Macias Guzman , Daniel C. Tanchangco
IPC: G03G21/00
CPC classification number: G03G21/0058 , G03G21/0088
Abstract: Herein is described a liquid electrophotographic a printing apparatus comprising: a photoconductor; a liquid electrophotographic ink developer unit for applying liquid electrophotographic ink to the photoconductor; a cleaner roller contactable with the photoconductor, the cleaner roller comprising an open-celled foam material having thereon a coating comprising abrasive particles and a binder. Also described herein is a cleaner roller for cleaning a liquid electrophotographic printing apparatus' photoconductor and a method of operating a liquid electrophotographic printing apparatus using a cleaner roller described herein.
-
公开(公告)号：US10829583B2
公开(公告)日：2020-11-10
申请号：US15737744
申请日：2015-10-28
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Tienteh Chen , Bin Huang , Benjamin Abelovski , George Sarkisian
IPC: C08G18/34 , C08G18/62 , C09D11/30 , C09D11/101 , C09D11/54 , C08G18/48 , C08G18/10 , C08G18/73 , C08G18/65 , C08G18/67 , C08F290/06 , C09D175/16 , C08G18/75 , C09D175/14 , C08G18/08 , C08G18/28 , C08G18/24 , C08G18/66 , C08G18/32 , C08L75/00 , C09D11/102 , B41M5/00
Abstract: A radiation curable polyurethane-based binder dispersion includes water and a radiation curable polyurethane dispersed in the water. The polyurethane is formed from: a polyisocyanate; a polyol having a chain with two hydroxyl functional groups at one end of the chain and no hydroxyl groups at an opposed end of the chain, and having a number average molecular weight ranging from about 500 to about 5,000; an acrylate or methacrylate, the acrylate or methacrylate having at least one hydroxyl functional group and having an acrylate functional group or a methacrylate functional group; an alcohol or a diol or an amine having a number average molecular weight less than 600; and a sulfonate or sulfonic acid having one or two amino functional groups.
-
公开(公告)号：US10287447B2
公开(公告)日：2019-05-14
申请号：US15518475
申请日：2014-10-31
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Tienteh Chen , Bin Huang , Gregg A. Lane
IPC: C09D11/10 , C09D11/322 , C09D11/101
Abstract: An example of a radiation curable binder dispersion for an inkjet ink includes water and a radiation curable polyurethane dispersed in the water. The radiation curable polyurethane has a weight average molecular weight that is equal to or less than 5,000, a glass transition temperature (Tg) less than 25° C., and a double bond density higher than 4.0. The radiation curable polyurethane binder dispersion is formed from a non-aromatic diisocyanate; a polyol; an acrylate or methacrylate, the acrylate or methacrylate having at least two hydroxyl functional groups and having an acrylate functional group or a methacrylate functional group; a compound including i) an ionic group or ii) a group to form an ionic group; and another acrylate or methacrylate, the other acrylate or methacrylate having a hydroxyl functional group or an amino functional group.
-
公开(公告)号：US10983459B2
公开(公告)日：2021-04-20
申请号：US15773966
申请日：2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Guang Jin Li , Daniel Tanchangco , Paul McCaslin , Anna Chin, Sr. , Bin Huang , Kai-Kong Iu
Abstract: The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller comprising a layer formed from a polymer composition containing a conductive filler, whereby the polymer composition has a specific resistivity of less than 1×106 Ω·cm. The unit also comprises a secondary roller that co-operates with the developer roller.
-
Patent Agency Ranking
公开(公告)号：US20180321619A1
公开(公告)日：2018-11-08
申请号：US15773966
申请日：2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Guang Jin Li , Daniel Tanchangco , Paul McCaslin , Anna Chin, Sr. , Bin Huang , Kai-Kong Iu
CPC classification number: G03G15/10 , C08L75/04 , G03G13/10 , G03G15/0233 , G03G15/0818 , G03G15/104 , G03G2215/0861
Abstract: The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller comprising a layer formed from a polymer composition containing a conductive filler, whereby the polymer composition has a specific resistivity of less than 1×106 Ω·cm. The unit also comprises a secondary roller that co-operates with the developer roller.
-
公开(公告)号：US20180010004A1
公开(公告)日：2018-01-11
申请号：US15544489
申请日：2015-01-30
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Tienteh Chen , Bin Huang , George Sarkisian , Fereshteh Khorrami , Phuong My Pham
IPC: C09D11/30 , C08L75/16 , C09D11/101 , C09D11/54
CPC classification number: C09D11/30 , C08G18/003 , C08G18/0828 , C08G18/246 , C08G18/5024 , C08G18/73 , C08L75/16 , C08L2201/54 , C09D11/101 , C09D11/54 , C08G18/672 , C08G18/50 , C08G18/10 , C08G18/3278 , C08G18/288
Abstract: A colorless radiation curable binder dispersion includes water and a radiation curable polyurethane. The polyurethane is formed from a polyisocyanate; an acrylate or methacrylate having at least two hydroxyl (OH) groups and an acrylate or methacrylate group; another acrylate or methacrylate having an OH or amino group; and one of: i) a sulfonate or sulfonic acid having one amino group; ii) a combination of i and a compound including a carboxylic group and an OH or amino group; iii) a combination of i and a homopolymer or copolymer of poly(ethylene glycol) having one or two OH or amino groups at one chain end; or iv) a combination of i, a compound including a carboxylic group and an OH or amino group, and a homopolymer or copolymer of poly(ethylene glycol) having one or two OH or amino groups at one chain end.
-
公开(公告)号：US20230147465A1
公开(公告)日：2023-05-11
申请号：US17913381
申请日：2020-04-08
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Bin Huang , Minedys Macias Guzman , Daniel C. Tanchangco
IPC: G03G21/00
CPC classification number: G03G21/0058 , G03G21/0088
Abstract: Herein is described a liquid electrophotographic a printing apparatus comprising: a photoconductor; a liquid electrophotographic ink developer unit for applying liquid electrophotographic ink to the photoconductor; a cleaner roller contactable with the photoconductor, the cleaner roller comprising an open-celled foam material having thereon a coating comprising abrasive particles and a binder. Also described herein is a cleaner roller for cleaning a liquid electrophotographic printing apparatus’ photoconductor and a method of operating a liquid electrophotographic printing apparatus using a cleaner roller described herein.
-
公开(公告)号：US20190278196A1
公开(公告)日：2019-09-12
申请号：US15773956
申请日：2016-01-27
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Bin Huang , Guang Jin Li
Abstract: The present disclosure relates to an electroconductive roller for an electrophotographic printer. The roller comprises a polyurethane composition containing a polyurethane and an ionic liquid. The cation of the ionic liquid is an organic cation. The polyurethane composition has a specific resistivity of 1×105 Ω·cm to 1×108 Ω·cm.
-
公开(公告)号：US10364363B2
公开(公告)日：2019-07-30
申请号：US15544794
申请日：2015-01-30
Applicant: Hewlett-Packard Development Company, L.P.
Inventor： Tienteh Chen , Bin Huang , George Sarkisian
IPC: C08G18/00 , C08G61/04 , C09D11/101 , C09D11/30 , C09D11/102 , C09D11/54 , C09D11/40 , C08F290/06 , C09D11/033 , C09D11/107 , C09D11/322 , C09D11/38
Abstract: An example of a radiation curable binder dispersion includes water and a radiation curable binder dispersed therein. The radiation curable polyurethane is formed from a polyisocyanate; an acrylate or methacrylate having at least two hydroxyl functional groups and having an acrylate functional group or a methacrylate functional group; another acrylate or methacrylate having one hydroxyl functional group or one amino functional group; and one of i) a homopolymer or copolymer of poly(ethylene glycol) having one or two hydroxyl functional groups or one or two amino functional groups at one end of its chain; or ii) a combination of i and a compound including a carboxylic functional group.
-
-
-
-
-
-
-
-
-
Search Results
11
records
(took 0.019 seconds)
